package com.xing.mapper;

import com.xing.domain.Department;
import com.xing.domain.Employee;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

//员工Mapper
@Repository
public class EmployeeMapper {
    //模拟数据
    private static Map<Integer, Employee> employees = null;
    //员工有所有的部门
    @Autowired
    private DepartmentMapper departmentMapper;
    static {
        employees = new HashMap<Integer,Employee>(); //创建一个部门表
        employees.put(1001,new Employee(1001,"A","a@163.com",1,new Department(101,"研发部")));
        employees.put(1002,new Employee(1002,"B","b@163.com",0,new Department(102,"财务部")));
        employees.put(1003,new Employee(1003,"C","c@163.com",0,new Department(103,"运维部")));
        employees.put(1004,new Employee(1004,"D","d@163.com",1,new Department(104,"后期部")));
    }
    //主键自增
    private static Integer initId = 1005;
    //增加一个员工
    public void save(Employee employee){
        if(employee.getId() == null){
            employee.setId(initId++);
        }
        employee.setDepartment(departmentMapper.getDepartmentById(employee.getDepartment().getId()));
        employees.put(employee.getId(),employee);
    }
    //查询所有员工信息
    public Collection<Employee> getAll(){
        return employees.values();
    }
    //通过id查询员工
    public Employee getEmployeeById(Integer id){
        return employees.get(id);
    }
    //删除员工
    public void delete(Integer id){
        employees.remove(id);
    }
}
